mcf5407 Freescale Semiconductor, Inc, mcf5407 Datasheet - Page 12
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mcf5407
Manufacturer Part Number
mcf5407
Description
Mcf5407 Coldfire Integrated Microprocessor User
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MCF5407.pdf
(546 pages)
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Paragraph
Number
11.1
11.1.1
11.1.2
11.2
11.2.1
11.3
11.3.1
11.3.2
11.3.2.1
11.3.2.2
11.3.2.3
11.3.3
11.3.3.1
11.3.3.2
11.3.3.3
11.3.3.4
11.3.3.5
11.4
11.4.1
11.4.2
11.4.3
11.4.3.1
11.4.3.2
11.4.3.3
11.4.4
11.4.4.1
11.4.4.2
11.4.4.3
11.4.4.4
11.4.4.5
11.4.4.6
11.4.5
11.4.5.1
11.5
11.5.1
11.5.2
11.5.3
11.5.4
11.5.5
11.5.6
xii
Overview........................................................................................................... 11-1
DRAM Controller Operation ............................................................................ 11-3
Asynchronous Operation .................................................................................. 11-4
Synchronous Operation................................................................................... 11-16
SDRAM Example ........................................................................................... 11-34
Definitions .................................................................................................... 11-2
Block Diagram and Major Components ....................................................... 11-2
DRAM Controller Registers ......................................................................... 11-3
DRAM Controller Signals in Asynchronous Mode...................................... 11-4
Asynchronous Register Set........................................................................... 11-4
General Asynchronous Operation Guidelines .............................................. 11-8
DRAM Controller Signals in Synchronous Mode...................................... 11-17
Using Edge Select (EDGESEL) ................................................................. 11-18
Synchronous Register Set ........................................................................... 11-19
General Synchronous Operation Guidelines............................................... 11-23
Initialization Sequence................................................................................ 11-32
SDRAM Interface Configuration................................................................ 11-34
DCR Initialization....................................................................................... 11-35
DACR Initialization.................................................................................... 11-35
DMR Initialization...................................................................................... 11-37
Mode Register Initialization ....................................................................... 11-38
Initialization Code....................................................................................... 11-39
DRAM Control Register (DCR) in Asynchronous Mode ........................ 11-4
DRAM Address and Control Registers (DACR0/DACR1) ..................... 11-5
DRAM Controller Mask Registers (DMR0/DMR1) ................................ 11-7
Non-Page-Mode Operation..................................................................... 11-11
Burst Page-Mode Operation ................................................................... 11-12
Continuous Page Mode........................................................................... 11-13
Extended Data Out (EDO) Operation..................................................... 11-15
Refresh Operation ................................................................................... 11-16
DRAM Control Register (DCR) in Synchronous Mode......................... 11-19
DRAM Address and Control Registers (DACR0/DACR1)
DRAM Controller Mask Registers (DMR0/DMR1) .............................. 11-22
Address Multiplexing ............................................................................. 11-23
Interfacing Example................................................................................ 11-27
Burst Page Mode..................................................................................... 11-27
Continuous Page Mode........................................................................... 11-29
Auto-Refresh Operation.......................................................................... 11-31
Self-Refresh Operation ........................................................................... 11-32
Mode Register Settings........................................................................... 11-33
in Synchronous Mode ......................................................................... 11-20
MCF5407 User’s Manual
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